Tirzepatide 12.5 mg: what it costs
Step 5 of the tirzepatide ladder, around weeks 17-20. 6 providers charge the same here as at the starting dose — the rest may not.
Updated 2026-09-18
Reaching 12.5 mg is a step, not a milestone. Knowing what to expect from it is most of what makes the climb manageable.
12.5 mg is step 5 of 6 on the tirzepatide ladder, reached around weeks 17-20. A step between the two studied doses, used where 10 mg has been tolerated but has stopped producing change.
Because this is an early rung, the main cost question is not what 12.5 mg costs today but what happens when you reach the higher doses. Programmes that hold one price across the whole ladder are the ones that make that predictable.
Before you step up
Give the last increase time to settle before taking the next. If it has not, holding for another month is a normal clinical decision — and on a flat-rate programme it costs you nothing, which is exactly how that decision should be made.
Where 12.5 mg sits on the ladder
| Step | Dose | Roughly when |
|---|---|---|
| 1 | 2.5 mg | weeks 1-4 |
| 2 | 5 mg | weeks 5-8 |
| 3 | 7.5 mg | weeks 9-12 |
| 4 | 10 mg | weeks 13-16 |
| 5 | 12.5 mg ← this page | weeks 17-20 |
| 6 | 15 mg | weeks 21+ |
What 12.5 mg costs
6 of the providers we track hold a single price at every dose, so 12.5 mg costs the same as the starting dose. They are listed first below because at this rung that is the whole ballgame.
| Provider | Price at 12.5 mg | Per year | Score |
|---|---|---|---|
| Coreage Rx | $199 | $2,388 | 4.5 |
| Trimi | $125 | $1,500 | 4.6 |
| PlexusDx | $189 | $2,268 | 4.4 |
| Mochi Health | $278 | $3,336 | 3.6 |
| Eden | $298 | $3,576 | 3.1 |
| Remedy Meds | $399 | $4,788 | 3.5 |
Cheapest flat-rate option at 12.5 mg: Trimi at $125 a month, which is what it charges at every other rung too.
The remaining 14 providers either price by dose or do not publish a flat-rate commitment. Their quoted figures start at $125 a month, but that is the starting-dose price — ask specifically what 12.5 mg will cost before you assume it holds.
Worth knowing. The question to ask before you start. "What will I be charged when I reach 12.5 mg?" If the answer is not the same number you were quoted at the start, you are on a tiered programme and should budget for the higher figure rather than the advertised one.
Do you need to go higher than 12.5 mg?
Not necessarily. The ladder exists so that you can stop where the medication is working for you, and plenty of people settle below the maximum. Reaching the top dose is not a measure of success, and the trial figures are averages rather than targets.
Should I go from 10 mg straight to 15 mg?
That is a question for your prescriber, but the ladder exists precisely to avoid large jumps. 12.5 mg is there to make the last step gentler, and skipping it is how the final increase becomes unpleasant.
Worth knowing before you start: the approved oral options avoid injections entirely and start around $149, and if you are on Medicare the $50 programme begins in July 2026.
Read next
- Flat pricing at every dose
Programmes where the price does not rise as your dose does — which matters more over a year than most advertised discounts.
- Tirzepatide 2.5 mg: what it costs
Step 1 of the tirzepatide ladder, around weeks 1-4. 6 providers charge the same here as at the starting dose — the rest may not.
- Tirzepatide 5 mg: what it costs
Step 2 of the tirzepatide ladder, around weeks 5-8. 6 providers charge the same here as at the starting dose — the rest may not.
- Medicare, GLP-1s and the $50 month
CMS is running a time-limited programme giving eligible Part D members certain GLP-1s for $50 a month. If you are on Medicare, read this before paying cash for anything.
Coreage Rx pays us a commission on sign-ups through our links. It does not affect our scores or rankings. How we rate · Disclosure